For through wondering human beings now and in the beginning have been led to philosophizing.

If happiness, then, is activity expressing virtue, it is reasonable for it to express the supreme virtue, which will be the virtueof the best thing.

In seeking for justice men seek for the mean or neutral, for the law is the mean. Again, customary laws have more weight, and relate to more important matters, than written laws, and a man may be a safer ruler than the written law, but not safer than the customary law.

The vigorous are no better than the lazy during one half of life, for all men are alike when asleep.

Virtue is the golden mean between two vices, the one of excess and the other of deficiency.

Men become richer not only by increasing their existing wealth but also by decreasing their expenditure.

A tragedy is the imitation of an action that is serious and also, as having magnitude, complete in itself . . . with incidents arousing pity and fear, wherewith to accomplish its catharsis of such emotions.